.category-selector {
    width: 200px; /* 固定分类选择器宽度 */
}

.category-selector select {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background-color: white;
    cursor: pointer;
    transition: border-color 0.3s;
}

.mdi-backspace-outline{
    color: #ff0000;
    font-size: 1.25rem;
    cursor: pointer;
}


.category-selector select:focus {
    border-color: #4a90e2;
    outline: none;
}

@media (max-width: 970px) {

    /* . 搜索框外壳 */
    .search-box {
        width: 100%;
        flex-direction: column;
    }

    /*. 搜索和重置按钮外壳 */
    .search-section {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
}